Camshaft thrust bearing for Cummins 6BTAA5.9-C178

The camshaft thrust bearing, part number 3007971, manages the axial play of the camshaft within the internal combustion engine. By limiting side-to-side movement, this component absorbs thrust loads generated by the operation of the cams against the tappets and the forces from the distribution system. This ensures the camshaft remains in its correct position for precise valve timing and engine operation.

This component is engineered for use in various Cummins engines, including the 6BTAA5.9-C178, KTA38C-1050, QSM11-C335, and QSM19-C700 models. These engines are frequently utilized in heavy machinery such as cranes, excavators, and construction equipment. The bearing is designed to meet the specific tolerances and lubrication requirements of these engine platforms, maintaining a contact surface for oil flow to minimize friction in this high-stress area.

Thrust bearings function by providing a surface that contacts the camshaft or a thrust washer to control axial movement. Proper maintenance and inspection of these bearings are necessary to prevent excessive axial play, which can lead to incorrect valve timing, premature wear of the valve train components, and increased engine noise.